The propulsion subsystem is essential for maneuvering the MUOS satellite during transfer orbit to its final location as well as conducting on-orbit repositioning maneuvers throughout its mission life.
在把MUOS卫星变轨到最终位置以及执行任务寿命期内的在轨机动性重新配置上，该推进系统是很关键的。
The satellite split off from the rocket about 25 minutes after its 00:20 lift-off, entering a geosynchronous transfer orbit.
“鑫诺二号”卫星于29日零时20分点火升空，25分钟后与运载火箭分离，进入地球同步转移轨道。
A fast design method for transfer orbit of lunar probe is presented using overlap conic curve method aimed at lunar landing transfer orbit and lunar satellite transfer orbit.
利用重叠圆锥曲线方法，针对着陆型和月球卫星型两种地月转移轨道，给出了一种地月转移轨道的快速设计方法。
The Chinese Long March can put 9.5 tons in low earth orbit, and 5.5 tons in a high one (geostationary transfer orbit).
“长征”能把9.5吨放入低地球轨道和把5.5吨放入一个高轨道(地球同步运行轨道)。
A typical orbit of lunar probe includes earth parking orbit segment, earth-moon transfer orbit segment, lunar satellite orbit segment and moon-landing orbit segment.
典型的月球探测器飞行轨道包括地球停泊轨道段、地月转移轨道段、月球卫星轨道段和着月轨道段。
In this case, the study of orbit transfer insertion error becomes very complicated.
在这种情况下，轨道转移入轨误差的研究变得较为复杂。
Microwave plasma thruster (MPT) was applied to the sub system of DFH 3 satellite to complete its orbit transfer (OT) and north south station keeping (NSSK).
将微波等离子推力器(MPT)应用于“东方红三号”(DFH3)卫星的推进子系统，完成其轨道转移和南北位置保持任务。
Finite multiple burn method is used for the transfer from Space Shuttle low earth orbit to the geostationary orbit with low accelerations.
以低加速度从航天飞机的低地球轨道转移到对地静止轨道，需要有限多次点火。
The autonomous optical navigation algorithm based on Earth-Moon information during the cislunar transfer orbit phase is presented.
基于地月信息提出了一种奔月转移轨道的自主光学导航算法。
Secondly, the exponential slippage guidance method and optimal energy transfer orbit are designed respectively in the homing phase.
其次，在导引段，以脉冲控制策略为前提，分别设计了指数滑移导引律和能量最优转移轨道。
It was showed that PPT was a kind of advanced propeller with small thrust, which was suitable to orbit transfer, attitude control, station keeping and formation flying for small and micro satellite.
分析认为PPT是一种先进的小推力动力装置，特别适合于微小卫星的轨道转移、姿态控制、位置保持以及星座编队飞行。
In part, this rush was down to cosmic timing: the alignment of planets that permits an energy-saving "transfer orbit" only comes around every two years or so.
在某种程度上，这次仓促的决定归因于空间的时间周期：行星之间的这种排列导致大约每两年的时间才会出现以相对较少能源环绕的“过渡轨道”。
Second part is the historical orbit and status quo of Chinese urbanization and transfer-out of rural labor surplus and the relative analysis.
第二内容摘要部分是我国城市化和农村剩余劳动力转移的历程和现状分析；
In this paper, thinking of small satellite constellation, optimal impulse orbit transfer is studied for constellation launching.
针对小卫星星座，进行星座发射中的最优脉冲式变轨研究。
In this paper, thinking of three-satellite constellation, optimal impulse orbit transfer is studied for constellation launching.
文中基于卫星相对运动状态转移方程，推出了星座双脉冲式变轨控制的理论解；
The optimal scheme is given for the dual-tangential transfer between two circular orbits by dual impulse method. The orbit perturbation as a result of the Earth's flattening is considered.
本文用两次冲量法给出了沿双共切椭圆轨道实现从一圆轨道向另一圆轨道转移的最优方案，并考虑到地球扁率造成的轨道摄动。
Second, the initial point and transfer time are same for different object relative orbit, and the minimum consumption of fuel is proportional to the expansion deflection.
不同膨胀系数时施加脉冲的时刻不变，最优的燃料消耗与膨胀变化量成正比；
The results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process.
仿真结果表明该算法能快速、准确地估计推进发动机的质量秒耗量和向机动目标施加的实际推力。
The combined radiation and conduction heat transfer in multilayer perforated insulation material MLPIM in orbit were investigated. The energy equation of the reflective screen was established.
分析了空间多层打孔隔热材料中导热和辐射换热的复合传热问题，建立了关于反射屏的能量方程。
The combined radiation and conduction heat transfer in multilayer perforated insulation material MLPIM in orbit were investigated. The energy equation of the reflective screen was established.
分析了空间多层打孔隔热材料中导热和辐射换热的复合传热问题，建立了关于反射屏的能量方程。
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